1214 results found
Registration / Serial:RA-27181
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96183
Operator Titles:MChS Rossii - Russia Ministry for Emergency Situations
City / Airport:Myachkovo (UUBM)Map
Country:Russia
Photo Date:1993 to 1996
Photo by:Gerard HelmerContact
Photo ID:81341Submit Correction
View count: 286
Registration / Serial:RA-27181
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96183
Operator Titles:MChS Rossii - Russia Ministry for Emergency Situations
City / Airport:Myachkovo (UUBM)Map
Country:Russia
Photo Date:1993 to 1996
Photo by:Gerard HelmerContact
Registration / Serial:RA-27181
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96183
Operator Titles:MChS Rossii - Russia Ministry for Emergency Situations
City / Airport:Myachkovo (UUBM)Map
Country:Russia
Photo Date:1993 to 1996
Photo by:Gerard HelmerContact
Photo ID:81341Submit Correction
View count: 286
Registration / Serial:RA-27181
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96183
Operator Titles:MChS Rossii - Russia Ministry for Emergency Situations
City / Airport:Myachkovo (UUBM)Map
Country:Russia
Photo Date:1993 to 1996
Photo by:Gerard HelmerContact
City / Airport:Fairford (EGVA / FFD)Map
Region / Country:England, United Kingdom
Event:RIAT - Royal International Air Tattoo 2006
Photo Date:12 July 2006
Photo by:John AllanContact
Photo ID:81251Submit Correction
View count: 183
Arriving at the 2006 International Air Tattoo
Registration / Serial:0835
Aircraft Version:Mil Mi-17
C/n (msn):108M35
Operator Titles:Czechia - Air Force
City / Airport:Fairford (EGVA / FFD)Map
Region / Country:England, United Kingdom
Photo Date:12 July 2006
Photo by:John AllanContact
City / Airport:Fairford (EGVA / FFD)Map
Region / Country:England, United Kingdom
Event:RIAT - Royal International Air Tattoo 2006
Photo Date:12 July 2006
Photo by:John AllanContact
Photo ID:81251Submit Correction
View count: 183
Arriving at the 2006 International Air Tattoo
Registration / Serial:0835
Aircraft Version:Mil Mi-17
C/n (msn):108M35
Operator Titles:Czechia - Air Force
City / Airport:Fairford (EGVA / FFD)Map
Region / Country:England, United Kingdom
Photo Date:12 July 2006
Photo by:John AllanContact
City / Airport:Phnom Penh - International (VDPP / PNH)Map
Country:Cambodia
Photo Date:30 September 1992
Photo by:Gerard HelmerContact
Photo ID:79984Submit Correction
View count: 460
Registration / Serial:XU-170
Aircraft Version:Mil Mi-17
C/n (msn):229M01
Operator Titles:Kampuchea Airlines
City / Airport:Phnom Penh - International (VDPP / PNH)Map
Country:Cambodia
Photo Date:30 September 1992
Photo by:Gerard HelmerContact
City / Airport:Phnom Penh - International (VDPP / PNH)Map
Country:Cambodia
Photo Date:30 September 1992
Photo by:Gerard HelmerContact
Photo ID:79984Submit Correction
View count: 460
Registration / Serial:XU-170
Aircraft Version:Mil Mi-17
C/n (msn):229M01
Operator Titles:Kampuchea Airlines
City / Airport:Phnom Penh - International (VDPP / PNH)Map
Country:Cambodia
Photo Date:30 September 1992
Photo by:Gerard HelmerContact
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
Photo ID:79412Submit Correction
View count: 134
Registration / Serial:EZ-22699
Aircraft Version:Mil Mi-8T
C/n (msn):8158
Operator Titles:Turkmenistan Airlines
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
Photo ID:79412Submit Correction
View count: 134
Registration / Serial:EZ-22699
Aircraft Version:Mil Mi-8T
C/n (msn):8158
Operator Titles:Turkmenistan Airlines
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
Registration / Serial:A-2603
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-17
C/n (msn):223M108
Operator Titles:Bosnia and Herzegovina - Air Force
City / Heliport:Sarajevo - Rajlovac Heliport (LQSV)Map
Country:Bosnia and Herzegovina
Photo Date:20 August 2013
Photo by:Joop de GrootContact
Photo ID:78384Submit Correction
View count: 950
Presidential helicopter of Bosnia and Herzegovina. Ex T9-HAG.
Registration / Serial:A-2603
Aircraft Version:Mil Mi-17
C/n (msn):223M108
Operator Titles:Bosnia and Herzegovina - Air Force
City / Heliport:Sarajevo - Rajlovac Heliport (LQSV)Map
Country:Bosnia and Herzegovina
Photo Date:20 August 2013
Photo by:Joop de GrootContact
Registration / Serial:A-2603
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-17
C/n (msn):223M108
Operator Titles:Bosnia and Herzegovina - Air Force
City / Heliport:Sarajevo - Rajlovac Heliport (LQSV)Map
Country:Bosnia and Herzegovina
Photo Date:20 August 2013
Photo by:Joop de GrootContact
Photo ID:78384Submit Correction
View count: 950
Presidential helicopter of Bosnia and Herzegovina. Ex T9-HAG.
Registration / Serial:A-2603
Aircraft Version:Mil Mi-17
C/n (msn):223M108
Operator Titles:Bosnia and Herzegovina - Air Force
City / Heliport:Sarajevo - Rajlovac Heliport (LQSV)Map
Country:Bosnia and Herzegovina
Photo Date:20 August 2013
Photo by:Joop de GrootContact
Registration / Serial:12239
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8T
C/n (msn):10927
Operator Titles:Bosnia and Herzegovina - Srpska - Air Force
City / Airport:Banja Luka - Zalužani (LQBZ)Map
Country:Bosnia and Herzegovina
Photo Date:7 September 2010
Photo by:Joop de GrootContact
Photo ID:77863Submit Correction
View count: 201
Although transferred to the new Bosnia and Herzegovina Air Force this Mi-8 still sports its former Srpska markings. It's awaiting much needed maintenance.
Registration / Serial:12239
Aircraft Version:Mil Mi-8T
C/n (msn):10927
Operator Titles:Bosnia and Herzegovina - Srpska - Air Force
City / Airport:Banja Luka - Zalužani (LQBZ)Map
Country:Bosnia and Herzegovina
Photo Date:7 September 2010
Photo by:Joop de GrootContact
Registration / Serial:12239
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8T
C/n (msn):10927
Operator Titles:Bosnia and Herzegovina - Srpska - Air Force
City / Airport:Banja Luka - Zalužani (LQBZ)Map
Country:Bosnia and Herzegovina
Photo Date:7 September 2010
Photo by:Joop de GrootContact
Photo ID:77863Submit Correction
View count: 201
Although transferred to the new Bosnia and Herzegovina Air Force this Mi-8 still sports its former Srpska markings. It's awaiting much needed maintenance.
Registration / Serial:12239
Aircraft Version:Mil Mi-8T
C/n (msn):10927
Operator Titles:Bosnia and Herzegovina - Srpska - Air Force
City / Airport:Banja Luka - Zalužani (LQBZ)Map
Country:Bosnia and Herzegovina
Photo Date:7 September 2010
Photo by:Joop de GrootContact
City / Airport:Santiago de Cuba - Antonio Maceo (MUCU / SCU)Map
Country:Cuba
Photo Date:3 March 2001
Photo by:Toni MarimónContact
Photo ID:77538Submit Correction
View count: 170
Registration / Serial:CU-H1423
Aircraft Version:Mil Mi-8P
C/n (msn):
Operator Titles:Aerogaviota
City / Airport:Santiago de Cuba - Antonio Maceo (MUCU / SCU)Map
Country:Cuba
Photo Date:3 March 2001
Photo by:Toni MarimónContact
City / Airport:Santiago de Cuba - Antonio Maceo (MUCU / SCU)Map
Country:Cuba
Photo Date:3 March 2001
Photo by:Toni MarimónContact
Photo ID:77538Submit Correction
View count: 170
Registration / Serial:CU-H1423
Aircraft Version:Mil Mi-8P
C/n (msn):
Operator Titles:Aerogaviota
City / Airport:Santiago de Cuba - Antonio Maceo (MUCU / SCU)Map
Country:Cuba
Photo Date:3 March 2001
Photo by:Toni MarimónContact
City / Airport:Podgorica (LYPG / TGD)Map
Country:Montenegro
Photo Date:9 September 2010
Photo by:Joop de GrootContact
Photo ID:77261Submit Correction
View count: 684
After the separation of Serbia and Montenegro this Mi-8 was transferred to the Montenegrin AF. They did not take it on charge, so it is resting in the grass near the main flight lines.
Registration / Serial:12310
Aircraft Version:Mil Mi-8T
C/n (msn):10973
Operator Titles:(Montenegro - Air Force)
City / Airport:Podgorica (LYPG / TGD)Map
Country:Montenegro
Photo Date:9 September 2010
Photo by:Joop de GrootContact
City / Airport:Podgorica (LYPG / TGD)Map
Country:Montenegro
Photo Date:9 September 2010
Photo by:Joop de GrootContact
Photo ID:77261Submit Correction
View count: 684
After the separation of Serbia and Montenegro this Mi-8 was transferred to the Montenegrin AF. They did not take it on charge, so it is resting in the grass near the main flight lines.
Registration / Serial:12310
Aircraft Version:Mil Mi-8T
C/n (msn):10973
Operator Titles:(Montenegro - Air Force)
City / Airport:Podgorica (LYPG / TGD)Map
Country:Montenegro
Photo Date:9 September 2010
Photo by:Joop de GrootContact
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Event:Co-operative Key 2005
Photo Date:3 September 2005
Photo by:Joop de GrootContact
Photo ID:76917Submit Correction
View count: 170
Waiting in the early morning light for its next mission. Twenty mintutes later the dispersal area was empty again.
Registration / Serial:403
Aircraft Version:Mil Mi-17
C/n (msn):103M03
Operator Titles:Bulgaria - Air Force
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Photo Date:3 September 2005
Photo by:Joop de GrootContact
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Event:Co-operative Key 2005
Photo Date:3 September 2005
Photo by:Joop de GrootContact
Photo ID:76917Submit Correction
View count: 170
Waiting in the early morning light for its next mission. Twenty mintutes later the dispersal area was empty again.
Registration / Serial:403
Aircraft Version:Mil Mi-17
C/n (msn):103M03
Operator Titles:Bulgaria - Air Force
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Photo Date:3 September 2005
Photo by:Joop de GrootContact
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
Photo ID:76736Submit Correction
View count: 162
Registration / Serial:4K-25110
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):95726
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
Photo ID:76736Submit Correction
View count: 162
Registration / Serial:4K-25110
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):95726
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
City / Airport:Moscow - Domodedovo / Mikhail Lomonosov (UUDD / DME)Map
Country:Russia
Photo Date:19 August 2003
Photo by:R.A.Scholefield
Photo ID:76291Submit Correction
View count: 122
Manufacture 11.87 as CCCP-24282. Served East Line 07.00 to 08.03.
Registration / Serial:RA-24282
Aircraft Version:Mil Mi-8PS
C/n (msn):98734415
Operator Titles:East Line
City / Airport:Moscow - Domodedovo / Mikhail Lomonosov (UUDD / DME)Map
Country:Russia
Photo Date:19 August 2003
Photo by:R.A.Scholefield
City / Airport:Moscow - Domodedovo / Mikhail Lomonosov (UUDD / DME)Map
Country:Russia
Photo Date:19 August 2003
Photo by:R.A.Scholefield
Photo ID:76291Submit Correction
View count: 122
Manufacture 11.87 as CCCP-24282. Served East Line 07.00 to 08.03.
Registration / Serial:RA-24282
Aircraft Version:Mil Mi-8PS
C/n (msn):98734415
Operator Titles:East Line
City / Airport:Moscow - Domodedovo / Mikhail Lomonosov (UUDD / DME)Map
Country:Russia
Photo Date:19 August 2003
Photo by:R.A.Scholefield
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
Photo ID:75870Submit Correction
View count: 171
Registration / Serial:4K-AZ7
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96122
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
Photo ID:75870Submit Correction
View count: 171
Registration / Serial:4K-AZ7
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96122
City / Airport:Baku - Zabrat (UBTT / ZXT)Map
Country:Azerbaijan
Photo Date:17 May 1996
Photo by:Gerard HelmerContact
City / Airport:Astrakhan (URWA / ASF)Map
Country:Russia
Photo Date:19 May 1996
Photo by:Gerard HelmerContact
Photo ID:75839Submit Correction
View count: 145
Registration / Serial:RA-25382
Aircraft Version:Mil Mi-8T
C/n (msn):98208118
Operator Titles:Skasi
City / Airport:Astrakhan (URWA / ASF)Map
Country:Russia
Photo Date:19 May 1996
Photo by:Gerard HelmerContact
City / Airport:Astrakhan (URWA / ASF)Map
Country:Russia
Photo Date:19 May 1996
Photo by:Gerard HelmerContact
Photo ID:75839Submit Correction
View count: 145
Registration / Serial:RA-25382
Aircraft Version:Mil Mi-8T
C/n (msn):98208118
Operator Titles:Skasi
City / Airport:Astrakhan (URWA / ASF)Map
Country:Russia
Photo Date:19 May 1996
Photo by:Gerard HelmerContact
City / Airport:Avalon (YMAV / AVV)Map
Region / Country:Victoria, Australia
Event:Australian International Airshow 2007
Photo Date:22 March 2007
Photo by:Andrei BezmylovContact
Photo ID:75747Submit Correction
View count: 612
At the Avalon Airshow 2007
Registration / Serial:ER-MHZ
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96078
Operator Titles:Heli Harvest
City / Airport:Avalon (YMAV / AVV)Map
Region / Country:Victoria, Australia
Photo Date:22 March 2007
Photo by:Andrei BezmylovContact
City / Airport:Avalon (YMAV / AVV)Map
Region / Country:Victoria, Australia
Event:Australian International Airshow 2007
Photo Date:22 March 2007
Photo by:Andrei BezmylovContact
Photo ID:75747Submit Correction
View count: 612
At the Avalon Airshow 2007
Registration / Serial:ER-MHZ
Aircraft Version:Mil Mi-8MTV-1
C/n (msn):96078
Operator Titles:Heli Harvest
City / Airport:Avalon (YMAV / AVV)Map
Region / Country:Victoria, Australia
Photo Date:22 March 2007
Photo by:Andrei BezmylovContact
Registration / Serial:762
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8T
C/n (msn):20206
Operator Titles:CAAC - Civil Aviation Administration of China
City / Area:Datangshan / China Aviation Museum [ Off-Airport ]Map
Country:China
Collection:China Aviation Museum (Datangshan)
Photo Date:7 August 2010
Photo by:Alastair T. GardinerContact
Photo ID:74880Submit Correction
View count: 127
Just one of an impressive number of helicopters to be seen at this wonderful museum.
Registration / Serial:762
Aircraft Version:Mil Mi-8T
C/n (msn):20206
Operator Titles:CAAC - Civil Aviation Administration of China
City / Area:Datangshan / China Aviation Museum [ Off-Airport ]Map
Country:China
Photo Date:7 August 2010
Photo by:Alastair T. GardinerContact
Registration / Serial:762
Aircraft Original Type:Mil Mi-8
Aircraft Generic Type:Mil Mi-8/9/17
Aircraft Version:Mil Mi-8T
C/n (msn):20206
Operator Titles:CAAC - Civil Aviation Administration of China
City / Area:Datangshan / China Aviation Museum [ Off-Airport ]Map
Country:China
Collection:China Aviation Museum (Datangshan)
Photo Date:7 August 2010
Photo by:Alastair T. GardinerContact
Photo ID:74880Submit Correction
View count: 127
Just one of an impressive number of helicopters to be seen at this wonderful museum.
Registration / Serial:762
Aircraft Version:Mil Mi-8T
C/n (msn):20206
Operator Titles:CAAC - Civil Aviation Administration of China
City / Area:Datangshan / China Aviation Museum [ Off-Airport ]Map
Country:China
Photo Date:7 August 2010
Photo by:Alastair T. GardinerContact
City / Airport:Ulaanbaatar - Chinggis Khaan International (ZMUB / ULN)Map
Country:Mongolia
Photo Date:10 May 1995
Photo by:Gerard HelmerContact
Photo ID:74724Submit Correction
View count: 445
Registration / Serial:MONGOLIA-20410
Aircraft Version:Mil Mi-8
C/n (msn):20410
Operator Titles:MIAT Mongolian Airlines
City / Airport:Ulaanbaatar - Chinggis Khaan International (ZMUB / ULN)Map
Country:Mongolia
Photo Date:10 May 1995
Photo by:Gerard HelmerContact
City / Airport:Ulaanbaatar - Chinggis Khaan International (ZMUB / ULN)Map
Country:Mongolia
Photo Date:10 May 1995
Photo by:Gerard HelmerContact
Photo ID:74724Submit Correction
View count: 445
Registration / Serial:MONGOLIA-20410
Aircraft Version:Mil Mi-8
C/n (msn):20410
Operator Titles:MIAT Mongolian Airlines
City / Airport:Ulaanbaatar - Chinggis Khaan International (ZMUB / ULN)Map
Country:Mongolia
Photo Date:10 May 1995
Photo by:Gerard HelmerContact
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
Photo ID:74126Submit Correction
View count: 146
Registration / Serial:EZ-22763
Aircraft Version:Mil Mi-8
C/n (msn):98311500
Operator Titles:Turkmenistan Airlines
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
Photo ID:74126Submit Correction
View count: 146
Registration / Serial:EZ-22763
Aircraft Version:Mil Mi-8
C/n (msn):98311500
Operator Titles:Turkmenistan Airlines
City / Airport:Turkmenabat (UTAV / CRZ)Map
Country:Turkmenistan
Photo Date:18 May 1996
Photo by:Gerard HelmerContact
City / Airport:Taszár (LHTA) (closed)Map
Country:Hungary
Photo Date:9 August 1992
Photo by:Gerard HelmerContact
Photo ID:72713Submit Correction
View count: 185
Registration / Serial:416
Aircraft Version:Mil Mi-8S
C/n (msn):10416
Operator Titles:Hungary - Air Force
City / Airport:Taszár (LHTA) (closed)Map
Country:Hungary
Photo Date:9 August 1992
Photo by:Gerard HelmerContact
City / Airport:Taszár (LHTA) (closed)Map
Country:Hungary
Photo Date:9 August 1992
Photo by:Gerard HelmerContact
Photo ID:72713Submit Correction
View count: 185
Registration / Serial:416
Aircraft Version:Mil Mi-8S
C/n (msn):10416
Operator Titles:Hungary - Air Force
City / Airport:Taszár (LHTA) (closed)Map
Country:Hungary
Photo Date:9 August 1992
Photo by:Gerard HelmerContact
City / Airport:Kaunas - International (EYKA / KUN)Map
Country:Lithuania
Photo Date:10 September 1994
Photo by:Gerard HelmerContact
Photo ID:72396Submit Correction
View count: 143
Registration / Serial:02
Aircraft Version:Mil Mi-8T
C/n (msn):99254357
Operator Titles:Lithuania - Air Force
City / Airport:Kaunas - International (EYKA / KUN)Map
Country:Lithuania
Photo Date:10 September 1994
Photo by:Gerard HelmerContact
City / Airport:Kaunas - International (EYKA / KUN)Map
Country:Lithuania
Photo Date:10 September 1994
Photo by:Gerard HelmerContact
Photo ID:72396Submit Correction
View count: 143
Registration / Serial:02
Aircraft Version:Mil Mi-8T
C/n (msn):99254357
Operator Titles:Lithuania - Air Force
City / Airport:Kaunas - International (EYKA / KUN)Map
Country:Lithuania
Photo Date:10 September 1994
Photo by:Gerard HelmerContact
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Event:Co-operative Key 2001
Photo Date:14 September 2001
Photo by:Joop de GrootContact
Photo ID:71857Submit Correction
View count: 179
Co-operative Key 2001
Registration / Serial:412
Aircraft Version:Mil Mi-17
C/n (msn):103M13
Operator Titles:Bulgaria - Air Force
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Photo Date:14 September 2001
Photo by:Joop de GrootContact
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Event:Co-operative Key 2001
Photo Date:14 September 2001
Photo by:Joop de GrootContact
Photo ID:71857Submit Correction
View count: 179
Co-operative Key 2001
Registration / Serial:412
Aircraft Version:Mil Mi-17
C/n (msn):103M13
Operator Titles:Bulgaria - Air Force
City / Airport:Graf Ignatievo (LBPG)Map
Country:Bulgaria
Photo Date:14 September 2001
Photo by:Joop de GrootContact